Home / 13,353.78-20,029.44-5,030.22

Finding the Fourth Proportional to 13,353.78, 20,029.44 and 5,030.22

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Solution

The fourth proportional to 13,353.78, 20,029.44 and 5,030.22 is: 7,544.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353.78 : 20,029.44 = 5,030.22 : x
  2. Step 2: Convert to fraction form
    13,353.78/20,029.44 = 5,030.22/x
  3. Step 3: Cross multiply
    13,353.78x = 20,029.44 × 5,030.22
  4. Step 4: Simplify right side
    13,353.78x = 100,752,489.68
  5. Step 5: Solve for x
    x = 100,752,489.68/13,353.78
  6. Step 6: Final answer
    x = 7,544.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.